33 lines
550 B
C++
33 lines
550 B
C++
Program to open a file whose name is passed as command line argument
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# include<iostream.h>
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# include<conio.h>
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# include<fstream.h>
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# include<process.h>
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void main(int argc,char *argv[])
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{
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if(argc < 2)
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{
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cerr<<"Illegal Usage
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Correct Usage: size <file-name>";
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exit(1);
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}
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ifstream in(argv[1],ios::in|ios::binary);
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if(!in)
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{
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cerr<<"Error opening the input file";
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exit(1);
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}
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long int size=0;
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char ch;
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while(!in.eof())
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{
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in>>ch;
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// cout<<ch;
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size++;
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}
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cout<<"The size of file "<<argv[1]<<" is "<<size<<" bytes.";
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}
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